FreshwaterComing soonRare

Smooth-back River Ray

Potamotrygon orbignyi

The Smooth-back River Ray (Potamotrygon orbignyi) is a tropical freshwater fish of the family Potamotrygonidae. It swims in midwater, close to the bottom. It grows to 35 cm (disc width). The IUCN Red List rates it Least Concern. In the aquarium it is kept at 24–26 °C.

Size: 35 cmdisc width
Temperature: 24–26 °C
pH: 6.0–7.5
Climate zone: Tropical

In the aquarium

Temperature24–26 °C

pH6.0–7.5

Hardness0–10 °dGH

In the wild

Water type: Freshwater
Climate zone: Tropical
Habitat: Midwater, close to the bottom

Conservation status

Classification

OrderMyliobatiformes
FamilyPotamotrygonidae
GenusPotamotrygon
SpeciesPotamotrygon orbignyi

Quick answers

Smooth-back River Ray size: how big does it get?: It grows to 35 cm (disc width).
Smooth-back River Ray water parameters: what does it need?: Temperature 24–26 °C, pH 6.0–7.5, hardness 0–10 °dGH.
Smooth-back River Ray: is it endangered?: The IUCN Red List rates it Least Concern.